Better API response when request body is not valid JSON (references #126)

controllers/UsersApiController.php

@@ -32,6 +32,11 @@ class UsersApiController extends BaseApiController
 
 		try
 		{
+			if ($requestBody === null)
+			{
+				throw new \Exception('Request body could not be parsed (probably invalid JSON format or missing/wrong Content-Type header)');
+			}
+
 			$this->UsersService->CreateUser($requestBody['username'], $requestBody['first_name'], $requestBody['last_name'], $requestBody['password']);
 			return $this->ApiResponse(array('success' => true));
 		}